Answer:
B. preservation of advantageous genetic mutations
Explanation:
The process of natural selection involves the preservation of advantageous genetic mutation in a given population.
Natural selection is one of the key factors that ensures the evolution of organisms.
- Desired traits that are able to survive adverse conditions like disease, food shortage, natural disasters are favored by the process of natural selection.
- Traits that also undergo advantageous genetic mutation in order to get a competitive advantage is also accrued to natural selection.
The main substance re-absorbed into the blood in the nephron are glucose, electrolytes (sodium, potassium, chloride) and water.
Almost all the glucose is reabsorbed at the proximal tubule of the nephron. Sodium, potassium and chloride are reabsorbed at the ascending loop of Henle, and water is reabsorbed at the descending loop of Henle.
Other nutrients that are reabsorbed are magnesium, phosphates, carboxylate, bicarbonate, amino acids, some urea, proteins and oligopeptides.
Reabsorption occurs in two steps namely active or passive extraction of sustances from the fluid in the tubules of the nephron, and into the interstitium , then transport of these substances from interstitium and into the bloodstream.
The answer would be B) Nucleic acids I hope this helped ^^
Answer:
B. it attaches to the RNA polymerase
Explanation:
Answer:
Option D, a research paper published in an academic journal and an approved PhD dissertation
Explanation:
Nicholas must present her discovery with back up of strong literature review. This literature review must include papers published in good journals and only approved research dissertation.
An internet blog, news article and college level textbook are not considered as an approved study. These are not reviewed or approved by any peer group or associations.
Good papers of any good journals are reviewed and examined thoroughly by the peers and thus they can be used as a backup of any study.
Hence, option D is correct
